Principal Engineer – Structural Design

Northrop Grumman

Join Northrop Grumman as a Principal Engineer/Sr. Principal Engineer in structural design.

Posted 6/4/2026full-timeCalifornia, Montana, Oklahoma • 🇺🇸 United StatesSenior💰 $93,300 - $171,000 per yearWebsite

About the role

Key responsibilities & impact

Work in a high-paced team environment to support program goals and schedule
Develop solutions to difficult problems that are thorough, imaginative, practical, and consistent with program objectives
Provide MRB dispositions for primary and secondary structures
Evaluate as-built products for conformity to standards, procedures, and specifications
Clearly communicate and coordinate with other disciplines during the development of design solutions
Present and explain structural issues and solutions to internal management and customer representatives concisely
Utilize computer-aided design (CAD) equipment and technical applications such as CATIA and Teamcenter
Develop layouts, sketches, and blueprints and investigate design factors such as damage tolerance, durability, design allowables, and structural modeling
Identify design errors or deficiencies and make recommendations for changes

Requirements

What you’ll need

Principal Engineer level: Bachelor's in Science, Technology, Engineering or Math (STEM) and a minimum of 5 years of experience in Aerospace structural design OR an MS degree in STEM with 3 years of related experience
Senior Principal Engineer level: Bachelor's in Science, Technology, Engineering or Math (STEM) and a minimum of 8 years of experience in Aerospace structural design OR an MS degree in STEM with 6 years of related experience OR a PhD in STEM and 0 years of related experience
This position requires the ability to obtain and maintain a DOD Secret or Top Secret Clearance
Experience in the design of bonded composite primary and secondary aircraft structures
High level of proficiency using Unigraphics Nx or CATIA V5 in the development of aircraft structures and components

Benefits

Comp & perks

Health insurance coverage
Life and disability insurance
Savings plan
Company paid holidays
Paid time off (PTO) for vacation and/or personal business

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Aerospace structural designdesign of bonded composite structuresdamage tolerance analysisdurability analysisdesign allowablesstructural modelingMRB dispositionsdesign error identificationrecommendations for design changestechnical applications

Soft Skills

communicationcoordinationproblem-solvingimaginationpracticalitythoroughnesspresentation skillsteam collaborationconcisenessevaluation

Certifications

DOD Secret ClearanceDOD Top Secret Clearance